Hello ! My name is LiQiang . There are four people in my family . My father is a worker . My mother is a farmer . My little sister is a pupil. I am a pupil , too . We are in the same school .
____(凝视，盯着看)at people is considered rude in Britain and young children will be scolded by their parents if they look too long at another person.
研究表明细胞膜、内质网膜和高尔基体膜中具有一些相同的蛋白质，而且这类蛋白质在细胞膜中含量较少，在内质网中含量较多，在高尔基体中含量介于两者之间。据此可说明( )
在平面直角坐标系中，点P（﹣1，1）关于x轴的对称点在（ ）
